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SLIP FEATURE AND GRAIN BOUNDARY BEHAVIOURS OF Ni_3Al ALLOYS DURING DEFORMATION

LIN Dongliang , ((T.L.Lin)) , CHEN Da Shanghai Jiaotong University , Shanghai , China Professor , Dept.of Materials Science , Shanghai Jiaotong University , Shanghai 200030 , China

金属学报(英文版)

The deformation behaviours of Ni_3Al alloys with various chemical compositions and subjected to different heat treatments were in situ observed under SEM. Moreover,in situ observations of slip trace were supplemented by the direct observation of dislocation arrangements under TEM.In B-doped Ni_3Al a...

关键词: Ni_3Al , null , null , null , null

COMPUTER SIMULATION OF GRAIN BOUNDARY STRUCTURES IN Ni_3Al

LIN Dongliang , ((T.L.Lin)) , CHEN Da Shanghai Jiaotong University , Shanghai , China Professor , Dept.of Materials Science , Shanghai Jiaotong University , Shanghai 200030 , China

金属学报(英文版)

The embedded atom type potentials and static relaxation method combined with steepest gra- dient computational technique have been used to simulate the grain boundary cohesive ener- gies,the distribution of electron density and stress field in the grain boundary,region,and oth- er related problems o...

关键词: Ni_3Al , null , null , null

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